John Deere 637 26’5” Disk, 26’5" Tillage Width, 3-Section, 10’1” Main Frame, 8’2” Wings, John Deere Soil Management System, Hydraulic Lift, Hydraulic Fold, Hydraulic Leveling, (3) Hydraulic Remotes Required, Single Point Depth Adjust, Rock Disk: C-Flex Shanks, 9" Disc Spacing, Approx: 22" Front & Rear Disc Diameter, Disc Scrapers, 5-Section 3-Bar Spring Tine Harrow, Light Package, Walking Tandems On Main Frame, Tandems On Wings, Clevis Hitch, Jack, Rear Parking Stand, 11L-15 Main Frame & Wing Tires, SN: N00637X008143